Extended range variable bore ram packer for a ram type blowout preventer

A variable bore ram packer including a ram body, a top seal and a packer member designed for use in a standard ram-type blowout preventer used in oil and gas drilling operations is disclosed. The packer member is molded of an elastomeric material having a central semi-elliptical opening with a plura...

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Hauptverfasser:	Griffin, Theodore F, Gaudette, Sean L, Foster, Anthony P
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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